Which of the following sets of triangles could be the lengths of the
sides of a right-angled triangle:
(a) 3 cm, 4 cm, 6 cm (b) 9 cm, 16 cm, 26 cm
(c) 1.5 cm, 3.6 cm, 3.9 cm (d) 7 cm, 24 cm, 26 cm
When a torch is pointed towards one of the vertical edges of a cube,
you get a shadow of cube in the shape of
(a) square (b) rectangle but not a square
(c) circle (d) triangle
If we rotate a right-angled triangle of height 5 cm and base 3 cm
about its base, we get:
(a) cone of height 3 cm and base 3 cm
(b) cone of height 5 cm and base 5 cm
(c) cone of height 5 cm and base 3 cm
(d) cone of height 3 cm and base 5 cm
If we rotate a right-angled triangle of height 5 cm and base 3 cm
about its height a full turn, we get
(a) cone of height 5 cm, base 3 cm
(b) triangle of height 5 cm, base 3 cm
(c) cone of height 5 cm, base 6 cm
(d) triangle of height 5 cm, base 6 cm
If three cubes each of edge 4 cm are placed end to end, then the
dimensions of resulting solid are:
(a) 12 cm × 4 cm × 4 cm (b) 4 cm × 8 cm × 4 cm
(c) 4 cm × 8 cm × 12 cm (d) 4 cm × 6 cm × 8 cm
The solid with one circular face, one curved surface and one vertex
is known as:
(a) cone (b) sphere (c) cylinder (d) prism
A solid that has two opposite identical faces and other faces as
parallelograms is a
(a) prism (b) pyramid (c) cone (d) sphere
Total number of edges a cylinder has
(a) 0 (b) 1 (c) 2 (d) 3
Out of the following which is a 3-D figure?
(a) Square (b) Sphere (c) Triangle (d) Circle
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